📍 View location on OpenStreetMap (34.195220, -118.138660)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 91001 |
| Primary City | Altadena |
| State / Province | CA |
| County | Los Angeles |
| Total Population | 35,475 |
| Population Density | 1,658.2 people/sq mi |
| Timezone | America/Los_Angeles |
| Metric | ZIP 91001 | Los Angeles County records | CA records |
|---|---|---|---|
| Population estimate | 35,475 | 9,807,501 (sum) | 39,286,245 (sum) |
| Population Density | 1,658.2 /sq mi | -- | -- |
| County population rank | #118 of 288 | -- | -- |
| State population rank | #477 of 1,762 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 91104 | Pasadena | 2.1 mi | 35,937 |
| ZIP 91103 | Pasadena | 2.4 mi | 25,142 |
| ZIP 91101 | Pasadena | 3.4 mi | 21,165 |
| ZIP 91107 | Pasadena | 3.9 mi | 32,316 |
| ZIP 91106 | Pasadena | 4.0 mi | 23,910 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →